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switch to pkcs #78

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a646528
switch to pkcs
MatusKysel Mar 19, 2024
9f2b1b4
regenerate signatures
MatusKysel Mar 21, 2024
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7 changes: 2 additions & 5 deletions pkgs/crypto/rsa.go
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Original file line number Diff line number Diff line change
Expand Up @@ -30,16 +30,13 @@ func GenerateRSAKeys() (*rsa.PrivateKey, *rsa.PublicKey, error) {
// SignRSA create a RSA signature for incoming bytes
func SignRSA(sk *rsa.PrivateKey, byts []byte) ([]byte, error) {
r := sha256.Sum256(byts)
return sk.Sign(rand.Reader, r[:], &rsa.PSSOptions{
SaltLength: rsa.PSSSaltLengthAuto,
Hash: crypto.SHA256,
})
return rsa.SignPKCS1v15(rand.Reader, sk, crypto.SHA256, r[:])
}

// VerifyRSA verifies RSA signature for incoming message
func VerifyRSA(pk *rsa.PublicKey, msg, signature []byte) error {
r := sha256.Sum256(msg)
return rsa.VerifyPSS(pk, crypto.SHA256, r[:], signature, nil)
return rsa.VerifyPKCS1v15(pk, crypto.SHA256, r[:], signature)
}

// ParseRSAPublicKey parses encoded to base64 x509 RSA public key
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